# Black alder twig and water ripples at Wolfsberger Mühle, 2019-06-29

- By: Radomianin
- Date: Taken on 29 June 2019, 17:08:57
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Black_alder_twig_and_water_ripples_at_Wolfsberger_M%C3%BChle,_2019-06-29.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Black_alder_twig_and_water_ripples_at_Wolfsberger_M%C3%BChle%2C_2019-06-29.jpg/1920px-Black_alder_twig_and_water_ripples_at_Wolfsberger_M%C3%BChle%2C_2019-06-29.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

A twig of black alder (Alnus glutinosa), a piece of deadwood, and water ripples formed by a rising gas bubble. Photographed at the Wolfsberger Mühle on the Reppeliner Bach, about two kilometers north of Tessin in the Rostock district, within the Stormsdorfer Bachtal nature reserve.